A: because firetrucks have 8 wheels and 4 people on them, and 8 plus 4 is 12, and 12 is a foot, and a foot is a ruler, and Queen Elizabeth was a ruler, and Queen Elizabeth was also the name of a ship, and that ship sailed the seas, and the seas have fish, and fish have fins, and Finns are what we call people from Finland, and Finland fought the Russians during WWII, and firetrucks are always rushin (Russian) around. that, my friends, is why firetrucks are red.